DMR systems are often favored for their versatile applications in various sectors, from recreational use to professional fields like security and service industries, due to their scalability and ease of integration. TETRA radio systems are often preferred in critical communications environments, such as emergency services and public safety.  ...

Digital Mobile Radio (DMR) hotspots present a valuable opportunity for amateur radio operators. One of the primary benefits of owning a DMR hotspot is the enhanced flexibility it offers.  ...

Ailunce HA1G is a GMRS walkie-talkie suitable for beginners. It has IP67 waterproof, 256 channels, weather alarm, emergency alarm, and supports front panel operation, making it a reliable and affordable choice for beginners. The new HA1G GMRS Radio (green) was launched in 2025. Here are the steps to operate the scanning function of this walkie-talkie.  ...

Retevis RT86 two way radio stands out as a top choice for hotel security and service teams, providing reliable communication for security and service teams. With features like great coverage, long battery life, and a durable design, the RT86 ensures efficient staff coordination and enhanced guest safety across hotel properties, making it the perfect two way radio for hotels.  ...

This article summarizes the accessories for the NR30 series of noise-canceling walkie-talkies, including programming cables, headsets and shoulder microphones. The accessories apply to the NR30, NR30S, NR30D, NR630 and NR630S models. The headset and microphone each have their own advantages and are suitable for different working environments such as defense surveillance and construction sites.  ...

As amateur radio enthusiasts continue to explore the world of digital communications, two popular options have emerged: digital repeaters and MMDVM (Multi-Mode Digital Voice Modem) hotspots. One of the standout options in the digital repeater market is the Retevis DMR Repeater RT97P. This article will provide an in-depth comparison of the MMDVM hotspot and the Retevis RT97P.  ...

Two way radios are essential tools for communication in a variety of settings, from construction sites and warehouses to outdoor adventures and emergency services. Many users rely on two way radio repeaters to extend their communication range and ensure clear signals across long distances or difficult terrain. However, what happens when you can’t access the repeater or your radio can’t connect to it? Here are some common causes and solutions.  ...

For large companies and clubs with large areas and large numbers of people, the Ailunce HD2 DMR intercom has a high power of 10W, providing reliable signal coverage and clear sound quality to improve communication efficiency. In addition, HD2 has a stylish appearance, excellent performance, and a Bluetooth headset, allowing large teams to easily and economically obtain high-quality communication experience.  ...

Encryption is an important means of securing data, and it applies to radio communications as well.The Retevis NR30D is a new walkie-talkie with AES256 encryption that provides reliable team communications for enhanced productivity and safety. The device is waterproof, dustproof and impact-resistant, and is equipped with bi-directional AI noise reduction and high power propagation for noisy environments.  ...

In a ski resort, where cell phone service can often be unreliable due to the mountainous terrain, reliable two way radios for skiing are particularly handy. Designed for harsh outdoor conditions, the RT29 is packed with powerful features to ensure you stay connected and enjoy your time in ski resorts.  ...